The following normative documents contain provisions, which through reference in this text constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. For undated references, the latest version applies.

DDEX Data Dictionary Standard. Latest Version

DDEX Party Identifier (DPID) Standard. Latest Version

IETF RfC 5646, Tags for Identifying Languages. Latest Version.

IETF RfC 3275. XML-Signature Syntax and Processing

ISO 639-1988, Code for the representation of the names of languages

ISO 3166-1:1997 Codes for the representation of names of countries and their sub-divisions – Part 1: Country codes